oh btw special hello to Argitoth who gave me the will to do that wonderful threeler with his soundcloud demos !

I really appreciate that and I hope when I finally get my 4th incarnation of my analog synth together it will not only last a lifetime but I can provide many more helpful demos of individual modules help people make decisions either to invest or not invest in a module. I want to create more informative Threeler demos especially.

ShyK wrote:

On another note, there is a lack of demos so I've attached a trippy acid/trance sample for anyone who wants to hear what a super tough 3-pole filter can do in a production-ready setting.

ShyKay great sample! I like how it reminds me of Need for Speed music. Thanks!

Here's another sample, not as nice and melodic, but one that shows how this filter can cope with and even enhance a steep/sharp sound that most other filters would barely cope with and turn to something tamer than it's supposed to be.

The link above is to a full track with the Threeler VCF processing all the sounds except percussion.

I'm posting it here since it's a very interesting example, showing not just how well it handles sounds from an analog synth, but also how it can bring a synth like the Korg WaveStation plugin into a completely new level of awesomeness.

Dave Brown was very kind and gave me instructions on using this switch. See pin layout in diagram of second link above this post:

Dave Brown wrote:

Here is the wiring diagram of the switch from the front and rear. The order
in which you wire them matches the schematic. You can swap them around if
you want a different sequence of filter modes but I would probably go with
the default.

Over on the far right of the PCB are four pads labeled J2. A1, A0, Gnd, and
V+

Connect A1 to pin 5 on the switch. Connect A0 to the other pin 5 on the
switch. Wire the various pins as follow:

Well, it's been a while, but I finally made time to make a short demo of The Threeler showing some of its chaotic and multiphonic capabilities:
http://youtu.be/I_e_8oGioM0
As you can hear, the regions are somewhat narrow, but there are quite a few interesting sounds and patterns.

It's been a few years since I built my pair of Threelers. I had a problem back then with one of them sounding a bit different with different scaling on the resonance.

Now when I did new front panels for my Threelers, when testing them I noticed that one of them had the mode switch working totally weird. Positions 1+2 were the same and also 3+4 were the same.

So after a lot of measuring and troubleshooting I finallly found the problem: a bad DG409 chip! Fortunately I had one spare chip so I put it in. Now everything is finally working properly and both sound very similar in stereo!

If I would like to improve something on this filter, I think the input volume could be more easy to use. It gives clean sound only to about 9 o'clock. And the output could be slightly hotter.

happy to reincarnate the thread to announce the upcoming availability of the Threeler VCF in euro format-- kits, assembled and PCB+panel bundles!
Check out the store for more details- special thanks to ian and clarke robinson for the collaboration!!

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